plot :          Plotting utilities
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ccal.zip        CC3; A graphing, programmable scientific calculator
fcnplt41.zip    Function Plotter v4.10 (good though complicated)
gnuplot3.zip    3D extensions with GNUPLOT 2
grafdemo.zip    Graphics plotting pgm (functional demo)
grapher.zip     Plot observations from a datafile (w TP source)
laser.zip       Quite nice plotting package (CGA,HERC,EGA,VGA)
mathpl20.zip    Mathematical function plotting, not easy
peridemo.zoo    Periodic function movies, shareware demo v2.0 (good)
plot2gl.sha     Unixish plot(1,3,5) for Graphics Library
plot2ps.sha     Plot library which outputs PostScript
plot3d.zip      Three dimensional plotter by A.Mariano & K.Crary
plot3d.zip      Document to the three dimensional plotter plot3d.zip
plot61.zip      Plot functions v6.1
poly3d.zip      Very good mathematical function viewer
rk-plot.zip     Three dimensional contours from Germany (demo?)
                Also see /pc/ts/tsfunc13.zip
                         /pc/ts/tsdraw14.zip